Budley Doright
Well-Known Member
Hydroguard was an excellent product when it was available here but lost its approval. I couldn’t find anything that worked in the higher temps I was running in summer. Finally built a chiller and an underground loop (150’ of copper). All of my res’s were chilled with closed loop cupronickel tube in tube heat exchangers. I kept the water at 72 and never had another root issue. Pumps were mostly all eco 350’s. She’s all outdoors now that we can grow 25......opps I meant to say 4 lol.